peterkeen

def some_anonymous_function(arg1, arg2):
   print "%s %s" % (arg1, arg2)

def some_named_function(func, arg1, arg2):
   func(arg1, arg2)

some_named_function(some_anonymous_function, arg1, arg2)

peterkeen

$ irb
irb
>> a = 1
a = 1
=> 1
>> a[0]
a[0]
=> 1
>> a[1]
a[1]

peterkeen

>>> foo = { 'a': 1, 'b': 2 }
>>> foo.update({'b': 444444, 'c': 3});
>>> foo
{'a': 1, 'c': 3, 'b': 444444}

>>> dict(bar='baz', **foo)
{'a': 1, 'c': 3, 'b': 444444, 'bar': 'baz'}

peterkeen

2011/07/05 * Eat At Joe's
    Expenses:Dinner               $50.00
    Liabilities:Credit Card
    ; :reimbursable:

2011/07/06 * Drink At Fred's
    Expenses:Drinks               $25.00
    Liabilities:Credit Card
    ; :reimbursable:

peterkeen

def session_from_connection(conn):

    def passthrough_conn():
        return conn

    # note that the url here doesn't matter, but it has to parse correctly as a url
    engine = create_engine('postgresql://foo@bar/abc', creator=passthrough_conn)
    session = Session(bind=engine)

peterkeen

$ cat run
cat run
#!/bin/sh

nohup bash -c 'while true; do sleep 10; done' </dev/null &> sleeper.log &
echo $! > /tmp/sleeper.pid
;
$ sudo ./run
sudo ./run
[sudo] password for pak:

peterkeen

alias = "!sh -c '[ $# = 2 ] && git config --global alias.\"$1\" \"$2\" && exit 0 || echo \"usage: git alias <new alias> <original command>\" >&2 && exit 1' -"

peterkeen

#!/usr/bin/env perl

use strict;
use warnings;

use DBI;

my ($year, $month, $day) = get_date();

my @balances = (

peterkeen

select (                                                                                                                           
    select                                                                                                                         
        date_trunc('day', date_page_requested)                                                                                     
    from                                                                                                                           
        ua_user_page_requests                                                                                                      
    where                                                                                                                          
        page_request_no = x.page_request_no                                                                                        
    ) as day,                                                                                       

peterkeen

# <-Foo> => random singular element from @Foo, hyphenated                                                                           
# <^Foo> => random singular element from @Foo, capitalized                                                                          
# <&Foo> => random singular element from @Foo with the first word capitalized                                                       
# <.Foo> => random singular element from @Foo, with the first word lowercased                                                       
# <!Foo> => random singular element from @Foo, ALLCAPS                                                                              
# <*Foo> => random singular element from @Foo with articles stripped                                                                
# <,Foo> => random singular element from @Foo with spaces replaced with underscores                                                 
# <+Foo> => random singular element from @Foo with spaces replaced with plusses